Classwork - Writing & Solving Equations

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What is an equation?

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An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables and constants.

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What does it mean to solve an equation?

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To solve an equation means to find the value(s) of the variable(s) that make the equation true.

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What is a variable in an equation?

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A variable is a symbol, often represented by a letter, that stands for an unknown value in an equation.

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What is the purpose of using equations in real-life situations?

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Equations help us model and solve problems involving relationships between quantities, such as money, distance, and time.

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How do you isolate a variable in an equation?

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To isolate a variable, you perform inverse operations to both sides of the equation until the variable is alone on one side.

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What is a linear equation?

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A linear equation is an equation of the first degree, meaning it has no exponents greater than one, and it can be graphed as a straight line.

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What is the equation format for finding total cost when buying items?

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The equation format is: Total Cost = Price per Item × Number of Items.

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How can you represent a situation where you have a total and need to find a part?

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You can represent it with an equation like: Total = Part + Remaining.

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What is the equation to find out how much money Ted took to the aquarium if he bought a poster for $12 and has $5 left?

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If Robyn had some video games and bought 5 more to have a total of 10, what equation represents this situation?

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